Wheel balancing apparatus and method with improved calibration a

Details Wheel balancing apparatus and method with improved calibration a Wheel balancing apparatus and method with improved calibration a

1992-02-03

1995-03-07

Zanelli, Michael

Boots, shoes, and leggings

364463, 36457101, 73462, G01M 122

Patent

active

053964365

ABSTRACT:
A wheel balancer has a spindle for mounting a wheel/tire assembly thereon, a motor for spinning the spindle about its longitudinal axis, and at least two sensors for sensing imbalance forces. A set of calibration coefficients for the wheel balancer are determined solely from the measurements made during a set of calibration spins and from knowledge of the amount of imbalance mounted to the rotating spindle during the calibration spins, without any knowledge or measurement of the relative geometry of the balancer. The set of calibration coefficients and other calibration data is stored in an electronic memory for subsequent use in balancing a wheel/tire assembly. During balancing, a wheel/tire assembly mounted on the spindle is spun and the corresponding output signals of the sensors are measured and recorded. The imbalance of the wheel tire assembly is then iteratively determined using the stored calibration coefficients, the stored calibration data, and the measured sensor output signals corresponding to the spin of the mounted wheel/tire assembly.

REFERENCES:
patent: Re31971 (1985-08-01), Gold
patent: 4338818 (1982-07-01), Hill et al.
patent: 4457172 (1984-07-01), Mathes et al.
patent: 4494400 (1985-01-01), Hill
patent: 4776215 (1988-10-01), Curchod
patent: 4891981 (1990-01-01), Schonfeld
patent: 5008826 (1991-04-01), Staudinger et al.
patent: 5053987 (1991-10-01), Genusov et al.
patent: 5208758 (1993-05-01), Okumura

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